feat: initial Tauri desktop shell for BatchTube v1.0

rollback.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+# BatchTube Tauri Rollback Script
+# Run this if Tauri build fails and you need to revert to NSIS installer
+
+echo "=== BatchTube Rollback ==="
+echo "Reverting to pre-Tauri state..."
+
+# Check if rollback tag exists
+if git tag | grep -q "v1.0-pre-tauri"; then
+  git checkout v1.0-pre-tauri
+  echo "✅ Reverted to v1.0-pre-tauri"
+  echo "The original NSIS installer build is at: BatchTube App/BatchTube-Windows-Build.zip"
+  echo "To rebuild: run build_windows.bat"
+else
+  echo "❌ Rollback tag not found. Manual recovery needed."
+  echo "Original source: Batchtube-snapshot-030526.zip"
+fi